i18next-parser.config.js

module.exports = {
  contextSeparator: '_',
  // Key separator used in your translation keys

  createOldCatalogs: false,
  // Save the \_old files

  customValueTemplate: null,
  // If you wish to customize the value output the value as an object, you can set your own format.
  // ${defaultValue} is the default value you set in your translation function.
  // Any other custom property will be automatically extracted.
  //
  // Example:
  // {
  //   message: "${defaultValue}",
  //   description: "${maxLength}", // t('my-key', {maxLength: 150})
  // }

  defaultNamespace: 'translation',
  // Default namespace used in your i18next config

  defaultValue: '',
  // Default value to give to empty keys

  failOnWarnings: false,
  // Exit with an exit code of 1 on warnings

  indentation: 4,
  // Indentation of the catalog files

  input: ['src/**/*.{ts,tsx}'],
  // An array of globs that describe where to look for source files
  // relative to the location of the configuration file

  keepRemoved: false,
  // Keep keys from the catalog that are no longer in code

  keySeparator: '.',
  // Key separator used in your translation keys
  // If you want to use plain english keys, separators such as `.` and `:` will conflict. You might want to set `keySeparator: false` and `namespaceSeparator: false`. That way, `t('Status: Loading...')` will not think that there are a namespace and three separator dots for instance.

  // see below for more details
  lexers: {
    ts: ['JavascriptLexer'],
    tsx: [
      {
        attr: 'i18nKey', // Attribute for the keys
        lexer: 'JsxLexer'
      }
    ]
  },

  lineEnding: 'auto',
  // Control the line ending. See options at https://github.com/ryanve/eol

  locales: [
    'ar',
    'az',
    'be',
    'bg',
    'bs',
    'ca',
    'cs',
    'de',
    'el',
    'en',
    'es',
    'et',
    'eu',
    'fa',
    'fi',
    'fr',
    'gl',
    'hr',
    'hu',
    'ja',
    'ko',
    'id',
    'it',
    'ml',
    'nb_NO',
    'nl',
    'pl',
    'pt',
    'pt_BR',
    'ro',
    'ru',
    'sk',
    'sv',
    'ta',
    'tr',
    'uk',
    'vi',
    'zh_Hans',
    'zh_Hant'
  ],
  // An array of the locales in your applications

  namespaceSeparator: ':',
  // Namespace separator used in your translation keys
  // If you want to use plain english keys, separators such as `.` and `:` will conflict. You might want to set `keySeparator: false` and `namespaceSeparator: false`. That way, `t('Status: Loading...')` will not think that there are a namespace and three separator dots for instance.

  output: 'public/locales/$LOCALE/$NAMESPACE.json',
  // Supports $LOCALE and $NAMESPACE injection
  // Supports JSON (.json) and YAML (.yml) file formats
  // Where to write the locale files relative to process.cwd()

  skipDefaultValues: false,
  // Whether to ignore default values.

  sort: true,
  // Whether or not to sort the catalog

  useKeysAsDefaultValue: false,
  // Whether to use the keys as the default value; ex. "Hello": "Hello", "World": "World"
  // This option takes precedence over the `defaultValue` and `skipDefaultValues` options

  verbose: true
  // Display info about the parsing including some stat
}